The first two wave types, P and S, are called body waves because they travel or propagate through the body of Earth. The latter two are called surface waves they the travel along Earth's surface and their amplitude decreases with depth into Earth.
Toysmith Spring Ring Game. Here is a super fun game the kids might like. Nordstrom has this Toysmith Spring Ring Game for $14.98! That is down from the normal price of $24.99, for a 40% savings.
1 Diamonds that are up to .75 carats can cost anywhere from $1,000 to $2,500. 2  Diamonds up to 1 carat can cost anywhere from $2,400 to $4,000. 3  The average American today will spend anywhere from $3,000 to $5,000 for an engagement ring. On their website, the prices range anywhere from $70 to as much as $17,000. 2  On average, though, most of their best sellers cost anywhere from $350 to $2,000. 3  According to LoveToKnow.com, the average cost of an engagement ring in the United States is $3500-$4000.